PU-H71 Trifluoroacetic AcidDiscontinued CAS 873436-91-0
| CAS No. | 873436-91-0 |
| Molecular Formula | C18H21IN6O2S |
| Molecular Weight | 512.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, iodine substitution, PU-H71 Trifluoroacetic AcidDiscontinued is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 512.37 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
PU-H71 Trifluoroacetic AcidDiscontinued (CAS 873436-91-0), molecular formula C18H21IN6O2S and molecular weight 512.37 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures PU-H71 Trifluoroacetic AcidDiscontinued under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H21IN6O2S |
| Molecular Weight | 512.37 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 1 |
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